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Apports de la cyclostationnarité à l’analyse des signauxmécaniques

Published online by Cambridge University Press:  15 June 2010

Jérôme Antoni
Jérôme Antoni*
Affiliation:
Laboratoire Roberval (UMR CNRS 6253), Université de Technologie de Compiègne, 60200 Compiègne, France
*
aAuteur pour correspondance :antoni@utc.fr
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Abstract

La cyclostationnarité, propriété propre aux processus dont les caractéristiques évoluentcycliquement au cours du temps, offre un cadre particulièrement adapté à l’analyse denombreux signaux acoustiques et vibratoires. Après avoir rappelé les spécificités del’approche cyclostationnaire dans le contexte mécanique, nous montrons à travers plusieursexemples les possibilités qu’elle autorise dans des domaines d’application liés audiagnostic des machines, à l’identification des systèmes mécaniques et à la séparation desources vibro-acoustiques.

Keywords

Cyclostationnaritésignaux cyclostationnairesdiagnostic des machinesidentification des systèmesséparation de sourcesCyclostationaritycyclostationary signalsmachine diagnosticssystem identificationsource separation
Type
Research Article
Information
Mechanics & Industry , Volume 11 , Issue 1 , January 2010 , pp. 57 - 68
Copyright
© AFM, EDP Sciences 2010

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References

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